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hep-th2024★ 1 cited
Matching and positivity beyond minimal coupling
Edoardo Alviani, Adam Falkowski
We study the low-energy effective theories of photons and gravitons, matching them at one loop to a UV completion with a massive spinning matter particle. The matter is allowed to…
hep-th2024★ 7 cited
Spinning waveforms of scalar radiation in quadratic modified gravity
Adam Falkowski, Panagiotis Marinellis
We study scalar-tensor gravitational theories using on-shell amplitude methods. We focus on theories with gravity coupled to a massless scalar via the Gauss-Bonnet and Chern-Simons…